Toothbrush



FIG. 1 is a front perspective view of a toothbrush showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The drawing is lined for color. 

The ornamental design for a toothbrush, as shown and described. 